Appendixes here provide background material for Oracle XML DB.

• Oracle-Supplied XML Schemas and Examples
  Full listings are provided here for the Oracle XML DB-supplied XML schemas, purchase-order XML schemas and an XSLT stylesheet used in various examples, and C-language (OCI) examples for loading XML content into Oracle XML DB and initializing and terminating an XML context.
• Oracle XML DB Restrictions
  The restrictions associated with Oracle XML DB are listed here.